Voice/Lungs
Another name for the "voice box".
What is the larynx
Air enters the body where?
What is the mouth and/or nose
The small hairs that line the nose.
What is cilia
What structure resembles a bunch of grapes?
The main organ of respiration.
What are the lungs
The amount of air that is exchanged by the lungs at rest.
What is the tidal volume
The taking in of air.
What is inspiration/inhalation
The larynx is composed of several layers of ____________.
What is cartilage
What body cavity can the lungs be found in?
What is the thoracic cavity
The function of the respiratory system is to exchange ________ and _______________.
What is oxygen and carbon dioxide
The vocal cords change the sound your voice by changing the volume, pitch, and ____________.
What is articulation
When inhaling, where does air go after the trachea?
What is the bronchi
This prevents food from entering the nasal cavity when eating.
What is the uvula
Air travels from the trachea to the _______ to the ___________ and finally to the ________ where oxygen is exchanged.
What is bronchi-->bronchioles-->alveoli
Relaxing the diaphragm causes the rib cage to ________ in size, increasing the __________ in the lungs and causing air to rush out.
What is decrease in size, increase the pressure
The amount of air remaining in lungs after a forced exhalation.
What is residual volume
During deep breathing these muscles in the chest can also pull up on the ribs, increasing the lung volume.
What are intercostal muscles
Surrounds the trachea, preventing it from collapsing.
What is cartilaginous rings.
The diaphragm is a large, flat _________ connected to the ribs at the bottom of the chest cavity.
What is a muscle
When oxygen enters the bloodstream it binds with.
What is hemoglobin (red blood cells)
The place where your heart sits next to your left lung.
What is the cardiac notch
How does oxygen enter the blood stream?
What is diffusion.
Diffuses from alveoli to the capillaries
The number of sections of the pharynx.
What is three. The nasopharynx, oropharynx, and laryngopharynx
A thin membrane that covers the lungs.
What is pleura
What happens to your respiration rate if carbon dioxide levels are high?